The Melt Flow Index (MFI), or Melt Flow Rate (MFR), measures how much molten polymer flows through a standard nozzle in 10 minutes under set conditions (g/10 min). It is a key rheological parameter for thermoplastics, inversely related to melt viscosity and indicative of molecular weight: low MFI means higher viscosity and molecular weight, while high MFI means lower viscosity and molecular weight.
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AMAPLAST is the national association of manufacturers of machines and molds for plastics and rubber. Founded in 1960, it is a non-profit organization and is part of CONFINDUSTRIA, bringing together around 170 members.
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